Home / 806,261.29-1,112,612.68-443,651.24

Finding the Fourth Proportional to 806,261.29, 1,112,612.68 and 443,651.24

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Solution

The fourth proportional to 806,261.29, 1,112,612.68 and 443,651.24 is: 612,223.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,261.29 : 1,112,612.68 = 443,651.24 : x
  2. Step 2: Convert to fraction form
    806,261.29/1,112,612.68 = 443,651.24/x
  3. Step 3: Cross multiply
    806,261.29x = 1,112,612.68 × 443,651.24
  4. Step 4: Simplify right side
    806,261.29x = 493,611,995,121.72
  5. Step 5: Solve for x
    x = 493,611,995,121.72/806,261.29
  6. Step 6: Final answer
    x = 612,223.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.